<template>
    <div class="app-container">
        <!-- 4.写样式模板 -->
        <!-- 顶部Header区域 -->
        <mt-header fixed title="固定在顶部">
			<span slot="left" @click="goBack" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>


        <!-- 中间路由router-view区域 -->
		<transition class="out-in">
			<router-view></router-view>
		</transition>
		

		
        <!-- 底部Tabbar区域 -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-bb " to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-bb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-bb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-bb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>
</template>

<script>

export default {
    date(){
		return {
			flag:false
		}
	},
	created(){
		this.flag = this.$route.path ==='/home' ? false:true;
	},
	methods:{
		goBack(){ //点击后退
			this.$router.go(-1);
		}
	},
	watch:{
		'$route.path':function(newVal){
			if(newVal == '/home'){
				this.flag = false;
			}else{
				this.flag = true;
			}
		}
	}
}
</script>

<style lang="scss" scoped>
    .mint-header{
		z-index: 99;
	}
	.app-container{
		padding-top: 40px;
		padding-bottom: 50px;
		overflow-x: hidden;
	}
	.v-enter{
		opacity: 0;
		transform: translateX(100%);
	}
	.v-leave-to{
		//opacity: 0;
		transform: translateX(-100%);
		position: absolute;
	}
	.v-enter-active,
	.v-leave-active{
		transition: all 0.5s;
	}

	// 改类名，解决tabbar点击无法切换的问题(与mui.js的滑动条冲突)
	.mui-bar-tab .mui-tab-item-bb.mui-active {
		color: #007aff;
	}
	.mui-bar-tab .mui-tab-item-bb {
		display: table-cell;
		overflow: hidden;
		width: 1%;
		height: 50px;
		text-align: center;
		vertical-align: middle;
		white-space: nowrap;
		text-overflow: ellipsis;
		color: #929292;
	}
	.mui-bar-tab .mui-tab-item-bb .mui-icon {
		top: 3px;
		width: 24px;
		height: 24px;
		padding-top: 0;
		padding-bottom: 0;
	}
	.mui-bar-tab .mui-tab-item-bb .mui-icon ~ .mui-tab-label {
		font-size: 11px;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
	}
</style>
